Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
04/2003
04/24/2003WO2003033749A1 Matrix element precharge voltage adjusting apparatus and method
04/24/2003WO2003012982A3 Tuned damping circuit for power amplifier output
04/24/2003US20030076967 Microphone preamplifier
04/24/2003US20030076896 Method and apparatus for the linearization of a radio frequency high-power amplifier
04/24/2003US20030076894 Adaptive digital pre-distortion circuit using adjacent channel power profile and method of operation
04/24/2003US20030076174 Radio frequency amplifier
04/24/2003US20030076171 Power amplifier
04/24/2003US20030076167 Multistage doherty amplifier
04/24/2003US20030076166 Composite amplifier
04/24/2003US20030076162 Low-noise amplifier circuit and a method for amplifying low-power signals in a low-noise manner
04/24/2003US20030076080 Linear power conversion circuit
04/24/2003US20030075986 BiCMOS AC filter circuit
04/24/2003CA2462985A1 Amplifier modulation
04/23/2003EP1303908A1 An electrical arrangement having improved feedback stability
04/23/2003EP1303801A2 Circuit for providing a constant current
04/23/2003EP1226651A4 Improvements relating to eer transmitters
04/23/2003EP1016217B1 Temperature compensation in electronic devices
04/22/2003US6553211 Method and apparatus for adjusting pilot signal relative to input signal
04/22/2003US6552634 Wideband, minimum-rating filters and multicouplers for power amplifiers
04/22/2003US6552620 Power oscillator
04/22/2003US6552614 Broadband cable modem amplifier with programmable bias current
04/22/2003US6552611 Differential amplifier and filter circuit using the same
04/22/2003US6552609 Signal distortion compensating apparatus and method
04/22/2003US6552608 Linear amplifier
04/22/2003US6552607 Time division multiplexed PWM amplifier
04/22/2003US6552606 Amplifier circuit having output filter capacitance current feedback
04/22/2003US6552584 Output stage for high-speed comparator circuits
04/17/2003WO2002097938A3 Electronic isolator
04/17/2003WO2002084778A3 Tunable phase shifter and applications for same
04/17/2003US20030072388 Time delay estimation in a transmitter
04/17/2003US20030071731 Amplifier modulation
04/17/2003US20030071688 Temperature compensated current mirror
04/17/2003US20030071687 Class AB amplifier circuit
04/17/2003US20030071685 Circuit configuration with selectively operating amplifiers
04/17/2003US20030071684 Linearisation method and signal processing device
04/16/2003EP1303039A2 Method and device for reducing influence of early effect
04/16/2003EP1301989A1 Composite amplifier
04/16/2003EP1301988A1 Multistage doherty amplifier
04/16/2003EP1155496B1 Radiofrequency amplifier with reduced intermodulation distortion
04/16/2003EP0870361B1 Efficient parallel-stage power amplifier
04/16/2003CN2545738Y Automatic protection and failure warning device of power amplifier
04/16/2003CN1411648A Arrangement for reducing power dissipation in line driver
04/16/2003CN1411571A 电子电路 Electronic circuit
04/16/2003CN1411147A Precorrective linearized power amplifying system using digital IF technique
04/16/2003CN1411140A Computing amplifier capable of operating under low voltage
04/16/2003CN1106067C Matching circuit and method for matching transistor circuit
04/15/2003US6549076 High-output amplifier
04/15/2003US6549070 High gain amplifier with current limited positive feedback
04/15/2003US6549067 Method and apparatus for linearizing an output signal
04/10/2003WO2003030354A2 A spurious ratio control circuit for use with feed-forward linear amplifiers
04/10/2003WO2003030353A2 An amplifier pre-distorter method and apparatus
04/10/2003WO2003030328A1 Power supply regulation and protection circuit for audio power amplifier
04/10/2003WO2002100019A3 Method for power amplifier to avoid performance degradation, shutdown and damage in case of worst data pattern
04/10/2003WO2002052720A8 Circuit for low noise, fully differential amplification
04/10/2003US20030067995 Transmission apparatus
04/10/2003US20030067994 Polar loop transmitter
04/10/2003US20030067352 Fully differential current feedback amplifier
04/10/2003US20030067351 Multipath Nested Gm Nested Miller Compensation
04/10/2003US20030067350 Audio amplifying circuit
04/10/2003US20030067345 Current steering circuit for amplifier
04/09/2003EP1300957A1 Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/09/2003EP1300941A2 Distortion compensator
04/09/2003EP1300940A2 Distortion compensation circuit
04/09/2003CN1409894A Parallel amplifier architecture using digital phase control techniques
04/09/2003CN1409893A Compensation circuit and method for power transistor
04/09/2003CN1409892A 高频放大器 High-frequency amplifier
04/09/2003CN1409497A 失真补偿装置 Distortion compensation device
04/09/2003CN1409484A Amplifier for alternating signal overlapped on continuous signals and its amplifying method
04/09/2003CN1409483A Feedforward amplifying device for compensating non-linear distortion
04/09/2003CN1409482A 失真补偿电路 Distortion compensating circuit
04/09/2003CN1409479A Linear power converting circuit
04/08/2003US6546233 Linearization of power amplifier
04/08/2003US6545919 Semiconductor memory and output signal control method and circuit in semiconductor memory
04/08/2003US6545620 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such a converter
04/08/2003US6545542 Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency component
04/08/2003US6545541 Power amplifier embedded cell bias detection, methods of detecting bias in power amplifiers and systems utilizing embedded cell bias detection
04/08/2003US6545539 Amplifier for use in a mobile phone
04/08/2003US6545536 Biasing circuit for VGS drift and thermal compensation of a power device
04/08/2003US6545535 Method and apparatus for reducing distortion
04/08/2003US6545523 Air delivery unit for endoscope including pressure detecting apparatus
04/08/2003US6545487 System and method for producing an amplified signal with reduced distortion
04/03/2003WO2003028208A1 Automatic ldmos biasing with long term hot carrier compensation
04/03/2003WO2003028207A1 Temperature-stabilised amplifier circuit
04/03/2003WO2003017553A3 Apparatus and method for controlling adaptive circuits
04/03/2003WO2003003683A3 Method for avoiding interference radiation of am transmitters used in digital transmission
04/03/2003WO2002052717A3 Feed-forward amplifier loop control utilizing if signal processing
04/03/2003WO2002023634A9 Cmos transceiver having an integrated power amplifier
04/03/2003US20030064738 Spurious ratio control circuit for use with feed-forward linear amplifiers
04/03/2003US20030064695 LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/03/2003US20030064692 Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/03/2003US20030063503 Composite integrated semiconductor device
04/03/2003US20030063427 Variable capacitor and a variable inductor
04/03/2003US20030062971 Band switchable filter
04/03/2003US20030062953 Power supply regulation and protection circuit for audio power amplifier
04/03/2003US20030062883 Constant voltage circuit and infrared remote control receiver using the same
04/03/2003US20030062538 Semiconductor device and electronic device using the same
04/03/2003DE20300561U1 Switching arrangement for linear power amplifier
04/02/2003EP1298806A1 LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/02/2003EP1298794A2 Pop sound reduction circuit and voice output amplification device
04/02/2003EP1298793A1 High-frequency amplifier
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